Examples with SimpleJavaFileObject javax.tools.SimpleJavaFileObject used on opensource projects

Example 1 with SimpleJavaFileObject

use of javax.tools.SimpleJavaFileObject in project querydsl by querydsl.

the class CompileUtils method assertCompiles.

public static void assertCompiles(String name, String source) {
    URLClassLoader parent = (URLClassLoader) CompileUtils.class.getClassLoader();
    SimpleCompiler compiler = new SimpleCompiler();
    MemFileManager fileManager = new MemFileManager(parent, compiler.getStandardFileManager(null, null, null));
    String classpath = SimpleCompiler.getClassPath(parent);
    List<String> compilationOptions = Arrays.asList("-classpath", classpath, "-g:none");
    // compile
    SimpleJavaFileObject javaFileObject = new MemSourceFileObject(name, source);
    Writer out = new StringWriter();
    JavaCompiler.CompilationTask task = compiler.getTask(out, fileManager, null, compilationOptions, null, Collections.singletonList(javaFileObject));
    if (!task.call()) {
        Assert.fail("Compilation of " + source + " failed.\n" + out.toString());
    }
}

Example 2 with SimpleJavaFileObject

use of javax.tools.SimpleJavaFileObject in project bazel by bazelbuild.

the class BazelJavaCompilerTest method assertCompileSucceeds.

private void assertCompileSucceeds(final String uri, final String content) throws Exception {
    JavaCompiler javac = BazelJavaCompiler.newInstance();
    JavaFileObject source = new SimpleJavaFileObject(URI.create(uri), JavaFileObject.Kind.SOURCE) {

        @Override
        public CharSequence getCharContent(boolean ignoreEncodingErrors) {
            return content;
        }
    };
    StandardJavaFileManager fileManager = javac.getStandardFileManager(null, null, null);
    // setting the output path by passing a flag to getTask is not reliable
    fileManager.setLocation(StandardLocation.CLASS_OUTPUT, Arrays.asList(getTmpDir()));
    DiagnosticCollector<JavaFileObject> messages = new DiagnosticCollector<>();
    JavaCompiler.CompilationTask task = javac.getTask(null, fileManager, messages, null, null, Collections.singletonList(source));
    assertTrue(task.call());
    assertTrue(messages.getDiagnostics().isEmpty());
}

Example 3 with SimpleJavaFileObject

use of javax.tools.SimpleJavaFileObject in project ceylon-compiler by ceylon.

the class T6608214 method main.

public static void main(String[] args) throws IOException {
    JavaFileObject sfo = new SimpleJavaFileObject(URI.create(""), Kind.SOURCE) {

        public CharSequence getCharContent(boolean ignoreEncodingErrors) {
            return "class Test<S> { <T extends S & Runnable> void test(){}}";
        }
    };
    List<? extends JavaFileObject> files = Arrays.asList(sfo);
    String bootPath = System.getProperty("sun.boot.class.path");
    List<String> opts = Arrays.asList("-bootclasspath", bootPath, "-Xjcov");
    JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
    JavacTask ct = (JavacTask) tool.getTask(null, null, null, opts, null, files);
    ct.analyze();
}

Example 4 with SimpleJavaFileObject

use of javax.tools.SimpleJavaFileObject in project ceylon-compiler by ceylon.

the class T6733837 method exec.

public void exec() {
    JavaFileObject sfo = new SimpleJavaFileObject(URI.create("myfo:/Test.java"), Kind.SOURCE) {

        public CharSequence getCharContent(boolean ignoreEncodingErrors) {
            return "\tclass ErroneousWithTab";
        }
    };
    StringWriter sw = new StringWriter();
    PrintWriter out = new PrintWriter(sw);
    List<? extends JavaFileObject> files = Arrays.asList(sfo);
    task = tool.getTask(sw, fm, null, null, null, files);
    try {
        ((JavacTask) task).analyze();
    } catch (Throwable t) {
        throw new Error("Compiler threw an exception");
    }
    System.err.println(sw.toString());
    if (!sw.toString().contains("/Test.java"))
        throw new Error("Bad source name in diagnostic");
}

Example 5 with SimpleJavaFileObject

use of javax.tools.SimpleJavaFileObject in project ceylon-compiler by ceylon.

the class T6852595 method main.

public static void main(String[] args) throws IOException {
    JavaFileObject sfo = new SimpleJavaFileObject(URI.create("myfo:/Test.java"), Kind.SOURCE) {

        public CharSequence getCharContent(boolean ignoreEncodingErrors) {
            return "class BadName { Object o = j; }";
        }
    };
    List<? extends JavaFileObject> files = Arrays.asList(sfo);
    JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
    JavacTask ct = (JavacTask) tool.getTask(null, null, null, null, null, files);
    Iterable<? extends CompilationUnitTree> compUnits = ct.parse();
    CompilationUnitTree cu = compUnits.iterator().next();
    ClassTree cdef = (ClassTree) cu.getTypeDecls().get(0);
    JCVariableDecl vdef = (JCVariableDecl) cdef.getMembers().get(0);
    TreePath path = TreePath.getPath(cu, vdef.init);
    Trees.instance(ct).getScope(path);
}